ADU Company in Santa Ana — Plans, Permits & Build, One Fixed Price

We handle the design, the engineering, and the city permit, then build it. One contract, one crew, one accountable point of contact. Free feasibility check on your lot before you commit.

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ADU Company in Santa Ana, CA

Kitchen remodeling in Santa Ana almost always means working inside a pre-1960 bungalow or a midcentury tract home, where walls are load-bearing, panels are undersized, and the original footprint was never designed for how families cook today. That’s exactly what we handle best. Our work spans kitchen and bathroom remodeling alongside ADU construction, so when a Santa Ana homeowner opens up a galley kitchen or converts a rear garage, we’re already thinking about how the plumbing, electric panel, and sewer lateral connect to the whole property. Call (877) 265-7231 for a free estimate.

Call (877) 265-7231

Why Santa Ana Homes Are Different

Santa Ana’s housing stock runs heavily to Spanish Revival bungalows, Craftsman-era homes, and late-1940s and 1950s tract infill, with much of it built before modern code requirements for panel capacity and kitchen ventilation. In neighborhoods across 92701, 92703, and 92704, a typical kitchen remodel involves lath-and-plaster walls, floor joists that have settled, and a 100-amp panel that is already near capacity before a single new appliance is added. The semi-arid climate and fall Santa Ana wind events mean we design for dry heat and ventilation rather than heavy heating loads, and CalGreen efficiency requirements shape every load calculation we run. Where a rear garage sits close to an alley, feasibility often turns on whether that structure can be legally tied into the kitchen expansion or needs its own subpanel and upgraded service line. None of this is unusual to us in Santa Ana, because it’s the house type we see on nearly every job.

Our Main Santa Ana Services

Most Santa Ana homeowners call us about two things: building an ADU in the rear yard or converting a garage, and remodeling a bathroom in a house where the existing three-piece bath has been the only bathroom for sixty years. Here’s how each works here.

ADU Builders in Santa Ana

Santa Ana is one of the most active ADU markets in Orange County, partly because city ordinances let detached ADUs and JADUs proceed by right in single-family zones, and partly because so many lots have a rear garage already sitting on them. The common paths are a garage conversion, a detached new-build at the rear, or a JADU carved out of the main house. On Santa Ana lots where setbacks to the alley are tight, the decision between converting and demolishing the garage often drives the whole budget. ADU Builders in Santa Ana

ADU Builders in Santa Ana

Bathroom Remodeling in Santa Ana

Bathroom work in Santa Ana’s older homes means dealing with cast-iron waste lines, undersized vent stacks, and bathrooms that were added in the 1950s without proper waterproofing behind the tile. A full bath remodel often pairs with a panel upgrade or a sewer lateral repair, which is why we handle the trades in sequence rather than treating the bathroom as an isolated room. We remodel master baths, hallway full baths, and add second baths where the only existing bath is off a narrow hallway. Bathroom Remodeling in Santa Ana

Bathroom Remodeling in Santa Ana
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What happens when you call

  1. 1
    A real person answersNo phone trees — you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Kitchen Remodeling in Santa Ana

Kitchen remodeling in Santa Ana usually means taking a closed-off 10-by-12 foot room in a pre-1960 house and turning it into a working kitchen with modern ventilation, code-compliant clearance, and enough counter space for a family of five. Because many of these homes sit on decent-sized lots across 92703 and 92704, there is often room to open the kitchen into a dining area or bump out toward the rear yard, but the structural posts, existing gas line, and drain locations dictate what’s actually possible. We plan every Santa Ana kitchen around the existing foundation and panel, then match finishes to the era of the house without fighting it. Our work sits alongside full ADU construction, so if you’re adding a rear unit and want to refresh the primary kitchen at the same time, one contractor keeps both scopes moving. That’s the whole point of our Kitchen Remodeling service: one point of accountability for the kitchen and the backyard unit.

Galley Kitchen Reconfiguration

Signs you need it

A narrow galley kitchen from the 1940s or 1950s with two doorways, a single 20-inch appliance run, and no landing space next to the refrigerator or range.

What it costs in Santa Ana

Galley reconfiguration in Santa Ana typically lands between $45,000 and $80,000 depending on whether a load-bearing wall is opened and the panel is upgraded.

How we do it

We verify which walls are load-bearing, redesign the circulation around a working triangle, relocate the gas and drain lines inside the existing wet wall where possible, and then lay out cabinets and lighting in sequence with the structural work.

Full Gut Kitchen Remodel

Signs you need it

Water-damaged lower cabinets, sagging or sloped floors, original knob-and-tube wiring in the kitchen circuit, or an appliance layout that no longer meets CalGreen ventilation and clearance rules.

What it costs in Santa Ana

A full gut remodel in Santa Ana runs $65,000 to $125,000, with the high end reflecting structural floor repair, a 200-amp panel upgrade, and custom cabinetry.

How we do it

We strip the room to framing, inspect the joists and bearing points, rewire the kitchen circuits, rough in the new plumbing and ventilation, insulate, drywall, and then set cabinets, counters, tile, and appliances in a fixed sequence with written change-order rules.

What Kitchen Remodeling Costs in Santa Ana

Item Typical range in Santa Ana
Galley kitchen reconfiguration $45,000 – $80,000
Full gut kitchen remodel $65,000 – $125,000
Panel upgrade and rewiring (kitchen circuit) $5,000 – $12,000

In Santa Ana, the two biggest price movers are panel capacity and the sewer lateral: a 1940s house with a 100-amp panel and a cast-iron drain line under the kitchen floor will always cost more than a house where those items were updated in the last fifteen years. Every estimate is a written line-item quote, and we do not change the price once work starts unless the scope changes in writing.

Does a Santa Ana kitchen remodel require a permit?

Yes, nearly every kitchen remodel in Santa Ana requires a building permit, and any electrical, plumbing, or ventilation work needs the matching trade permits. We pull all permits and schedule inspections as part of the job, so the work is signed off before you move back into the kitchen.

How long does a kitchen remodel take in Santa Ana?

A galley reconfiguration runs about four to six weeks; a full gut with structural and panel work can run eight to twelve. Santa Ana’s inspection scheduling is steady, but the old-house unknowns, settled joists, cast-iron waste lines, are what usually drive timeline changes, so we set expectation ranges rather than a single completion date.

Brands We Service in Santa Ana

We work across eight ADU and building-product brands, and in Santa Ana the mix usually involves James Hardie exteriors for the dry-heat and wind conditions, Tuff Shed or Boxabl for budget-conscious rear-yard builds, and Plant Prefab or Abodu when the design and interior finish matter more than speed. See our brands for the full set and what we’ve learned from each.

Pricing for ADU Company in Santa Ana, CA

Service Typical range in Santa Ana
Kitchen remodel (galley reconfiguration) $45,000 – $80,000
Kitchen remodel (full gut) $65,000 – $125,000
Bathroom remodel (hall full bath) $28,000 – $55,000
Bathroom remodel (master bath) $40,000 – $75,000
ADU garage conversion (400 sq ft) $120,000 – $190,000
ADU detached new-build (800 sq ft) $280,000 – $390,000
ADU JADU (interior conversion, 350 sq ft) $95,000 – $150,000
Panel upgrade (100A to 200A) $5,000 – $9,000

Santa Ana prices run higher than a newer suburban tract because of the age of the housing stock, but the main swing factor is always the same: what’s behind the walls and under the slab. We quote fixed, line-item prices after a site visit, and the number we give you is the number we build to.

Neighborhoods We Serve in Santa Ana

We work throughout Santa Ana, from the denser prewar blocks near downtown to the midcentury tracts further out. In neighborhoods like these, the garage, the alley setback, and the panel condition are usually known to the homeowner by name, because they come up in every conversation.

  • French Park
  • Floral Park
  • Delhi
  • Mabury Park
  • Wilshire Square

We schedule Santa Ana estimates within a few days of your call, and if your kitchen or garage project is on the tighter streets near downtown, we handle access and staging planning as part of the site walk.

Service Area – Cities Near Santa Ana

Our Santa Ana work often starts because a neighbor in Tustin, CA or North Tustin, CA referred us, and from there we extend to Fountain Valley, CA and Orange, CA. If your lot is near the Santa Ana border in any of these cities, the same site conditions and permit realities usually apply, and we’re already familiar with them.

Serving Santa Ana, CA — Our Local Coverage Area

We’re based in the Santa Ana area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.

FAQs About ADU Company in Santa Ana

Ready to get started? Free estimates · Free in-home estimates response in Santa Ana
Call (877) 265-7231

What happens when you call

  1. 1
    A real person answersNo phone trees — talk to a local adu pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Santa Ana Customers Say

★★★★★ 5.0 from 4+ reviews

"Sound insulation between the unit and the main house is better than I expected. You genuinely cannot hear the tenant."

— Ramon Garcia

"Every invoice was tied to a completed milestone, so I always knew what I was paying for."

— Kevin Bennett

"Knew the local setback and parking rules cold, which saved us from designing something that would never have been approved."

— Alicia Ingram

How It Works in Santa Ana

Getting your adu handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your adu needs and we provide an upfront, transparent quote — no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Santa Ana — typically within 30–60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

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Areas We Serve
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